litty4073 litty4073
  • 18-02-2020
  • Physics
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A special device can transmit sound that is out of phase with the sound of a noisy jackhammer to the jackhammer operator by means of earphones. Over the noise of the jackhammer, the operator can easily hear your voice, while you are unable to hear his. Explain.

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megh884
megh884 megh884
  • 18-02-2020

Answer:

 ,   l l. l

Explanation:

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